diff options
| -rw-r--r-- | drivers/hid/hid-sony.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index 68d7b36e31e4..93819a08121a 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -46,6 +46,16 @@ static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc, return rdesc; } +/* + * The Sony Sixaxis does not handle HID Output Reports on the Interrupt EP + * like it should according to usbhid/hid-core.c::usbhid_output_raw_report() + * so we need to override that forcing HID Output Reports on the Control EP. + * + * There is also another issue about HID Output Reports via USB, the Sixaxis + * does not want the report_id as part of the data packet, so we have to + * discard buf[0] when sending the actual control message, even for numbered + * reports, humpf! + */ static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, size_t count, unsigned char report_type) { @@ -55,6 +65,12 @@ static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, int report_id = buf[0]; int ret; + if (report_type == HID_OUTPUT_REPORT) { + /* Don't send the Report ID */ + buf++; + count--; + } + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), HID_REQ_SET_REPORT, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, @@ -62,6 +78,10 @@ static int sixaxis_usb_output_raw_report(struct hid_device *hid, __u8 *buf, interface->desc.bInterfaceNumber, buf, count, USB_CTRL_SET_TIMEOUT); + /* Count also the Report ID, in case of an Output report. */ + if (ret > 0 && report_type == HID_OUTPUT_REPORT) + ret++; + return ret; } |